The Chinese government has appealed to the public for information as part of its investigation into a reservoir dam that collapsed in southern China earlier this month, causing heavy casualties. State media reported on Monday that the public could call a hotline to submit information related to the collapse of the Liulan Reservoir in Hengzhou, Guangxi Zhuang autonomous region on July 6. People also have until August 15 to post submissions to an investigation and assessment work group from the...